黄野螟防治药剂筛选试验

黄野螟防治药剂筛选试验
陈志云;王玲;李东文;李奕震;黄湘如;秦长生
【期刊名称】《林业科技开发》
【年(卷),期】2012(26)1
【摘要】The control techniques of Heortia vitessoides were studied in the laboratory by leaf-dipping method. The results showed that the 5.0 x 106 dilution of 1. 8% avermectins EC, 5. 0 x 106 dilution of 0. 5% emamectin benzoate microemul-sion, 800 dilution of Sendebao (the mixture of avermectin Bla and Bacillus thuringiensis) wettable powder, 5 000 dilution of 2. 5% spinosad suspensions, 20 000 dilution of 90% dipterex crystal, 3 000 dilution of 15% indoxacarb suspensions, and 1 000 dilution of 4. 5% beta-cypermethrin EC had significant effects on controlling the high instar larvae, and the lethality of all insecticides was reached 100%. The lethality
of 4 000 dilution of 4. 5% beta-cypermethrin EC and 1 000 dilution of Sendebao WP to the low instar larvae was 100% and 97. 7% , respectively. In the forests the control effects of 5. 0 x 106 dilution of avermectins or emamectin benzoate and 1 000 dilution of Sendebao were reached 100% .%利用浸渍法在室内测定了10种和4种农药分别毒杀黄野螟高龄和低龄幼虫的药效试验,结果表明:对高龄幼虫,1.8％阿维菌素乳油500万倍液,0.5％甲维盐微乳剂
500万倍液,森得保可湿性粉剂800倍液,2.5％多杀菌素悬浮剂5 000倍液,90％敌百虫晶体20 000倍液,15％茚虫威悬浮剂3 000倍液和4.5％高效氯氰菊酯乳油1000倍液的致死率均达100％；对低龄幼虫,4.5％高效氯氰菊酯乳油4 000倍液
和森得保可湿性粉剂1000倍液的致死率分别为100％和97.7％.在林间,阿维菌素或甲维盐500万倍液、森得保1 000倍液的杀虫效果均达100％.
【总页数】3页(P117-119)
【作者】陈志云;王玲;李东文;李奕震;黄湘如;秦长生
【作者单位】中山市森林病虫害防治检疫站,广东中山528403;中山市森林病虫害防治检疫站,广东中山528403;中山市森林病虫害防治检疫站,广东中山528403;华南农业大学林学院;华南农业大学林学院;广东省林业科学研究院
【正文语种】中文
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